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ONT to KUM: distance & flight time

Ontario (Ontario International Airport) → Yakushima (Yakushima Airport)

6,145 mi
9,889 km · 5,340 nm
12h 31m
estimated nonstop flight time
+16h
time difference · heading northwest
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Flight time details

6,145 miles nonstop takes roughly 12h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is ONT from KUM?

The flight distance from Ontario (ONT) to Yakushima (KUM) is 6,145 miles (9,889 km, 5,340 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from ONT to KUM?

A nonstop flight takes about 12h 31m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the time difference between Ontario and Yakushima?

Yakushima is 16 hours ahead of Ontario.

What is the cheapest way to fly from ONT to KUM?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–KUM that never appear on search engines, with no booking fees.
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